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公开(公告)号：US20180142999A1
公开(公告)日：2018-05-24
申请号：US15359860
申请日：2016-11-23
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Alan L. Browne , Nancy L. Johnson , Paul W. Alexander , Geoffrey P. McKnight , Guillermo A. Herrera , Christopher B. Churchill , Andrew C. Keefe , Xiujie Gao
Abstract: A method of testing a SMA element includes connecting the SMA element to a validation tool, and applying an electrical current to the SMA element over a test cycle. A resistance of the SMA element during the test cycle is measured, while the electrical current is being applied. The measured resistance of the SMA element during the test cycle is correlated to an estimated strain value of the SMA element during the test cycle. A temperature of the SMA element during the test cycle is estimated. A stress in the SMA element during the test cycle is estimated from a stress predicting grid, using the estimated strain value and the estimated temperature of the SMA element during the test cycle. The proper functionality of the SMA element may be determined based on the estimated stress in the SMA element.
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公开(公告)号：US09951858B2
公开(公告)日：2018-04-24
申请号：US14612964
申请日：2015-02-03
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC , DYNALLOY, INC.
Inventor： Xiujie Gao , Nancy L. Johnson , Ronald R. Semel , James Holbrook Brown
CPC classification number: F16H57/0413 , F01M5/007
Abstract: A transmission fluid circuit for regulating the flow of a fluid includes a transmission, a cooler, and a valve. The valve includes a housing, a spool, and an actuator including a smart material. The spool is movable inside the housing between a first position and a second position. The smart material is configured to be in an activated state in response to the fluid exhibiting at least a first temperature and to be in a deactivated state in response to the fluid being a sufficient number of degrees less than the first temperature. The fluid flows from the housing to the transmission and from the transmission to the housing when the spool is in the first position. The fluid flows from the housing to the cooler, from the cooler to the transmission, and from the transmission to the housing when the spool is in the second position.
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公开(公告)号：US09939077B2
公开(公告)日：2018-04-10
申请号：US15253166
申请日：2016-08-31
Inventor： Xiujie Gao , Nancy L. Johnson , Ronald R. Semel , Rory P. McIntyre , Mark J. Heikoop , Vijay A. Neelakantan , Bret M. Olson , Tyler P. Ownby , James H. Brown
CPC classification number: F16K31/002 , F03G7/065 , F16K1/12 , F16K1/14 , Y10T137/7737
Abstract: A fluid circuit includes a device, a cooler, and a valve. The valve includes a housing, a sealing member, a biasing device, and an actuator. The sealing member moves inside the housing between a first position and a second position. The actuator includes a smart material that is activated when the temperature of a fluid inside the housing exhibiting at least a first temperature, causing the sealing member to move to the second position. The smart material is deactivated when the fluid is a sufficient number of degrees less than the first temperature, causing the sealing member to move to the first position. The fluid flows from the housing to the device and then to the housing when the sealing member is in the first position. The fluid flows from the housing to the cooler and then to the device when the sealing member is in the second position.
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公开(公告)号：US20180058600A1
公开(公告)日：2018-03-01
申请号：US15253160
申请日：2016-08-31
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC , DYNALLOY, INC.
Inventor： Xiujie Gao , Nancy L. Johnson , Bret M. Olson , Vijay A. Neelakantan , Tyler P. Ownby , James H. Brown
CPC classification number: F16K31/002 , F03G7/065 , F16K1/12 , Y10T137/7737
Abstract: A fluid circuit includes a device, a cooler, and a valve. The valve includes a housing, a sealing member, a biasing device, and an actuator. The sealing member moves inside the housing between a first position and a second position. The actuator includes a smart material that is activated when the temperature of a fluid inside the housing exhibiting at least a first temperature, causing the sealing member to move to the second position. The smart material is deactivated when the fluid is a sufficient number of degrees less than the first temperature, causing the sealing member to move to the first position. The fluid flows from the housing to the device and then to the housing when the sealing member is in the first position. The fluid flows from the housing to the cooler and then to the device when the sealing member is in the second position.
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公开(公告)号：US20170344036A1
公开(公告)日：2017-11-30
申请号：US15587801
申请日：2017-05-05
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC , DYNALLOY, INC.
Inventor： Xiujie Gao , Kevin B. Rober , Marco A. Lopes , Nancy L. Johnson , Anthony L. Smith , Nicholas W. Pinto , Richard J. Skurkis , Tyler P. Ownby
IPC: G05D23/185 , F16K31/00
CPC classification number: G05D23/1852 , F16K31/002 , G05D23/1333
Abstract: A thermal bypass valve includes a housing defining a bore along a longitudinal axis and having two inlet ports and two outlet ports; a cap disposed within the bore; a shuttle disposed within the bore and reversibly translatable towards and away from the cap along the longitudinal axis between a first fill position, a cooling position, and a bypass position; and an actuator configured for translating the shuttle along the longitudinal axis between the cooling position and the bypass position. The actuator is formed from a shape memory alloy and is transitionable between a first state and a second state in response to a temperature of the fluid.
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Patent Agency Ranking
公开(公告)号：US09815261B2
公开(公告)日：2017-11-14
申请号：US14036023
申请日：2013-09-25
Applicant: GM Global Technology Operations LLC
Inventor： Alan L. Browne , Tao Xie , John C. Ulicny , William R. Rodgers , Nilesh D. Mankame , Xingcheng Xiao , Nancy L. Johnson , Jessica A. Schroeder , John N. Owens , Ingrid Rousseau , Hamid G. Kia , Paul E. Krajewski
CPC classification number: B32B27/38 , A61L2400/16 , B25J15/008 , B32B7/06 , B32B7/12 , B32B15/04 , B32B27/06 , B32B37/12 , B32B37/144 , B32B2307/748 , B32B2405/00 , C08L2201/12 , Y10T156/10 , Y10T428/31515
Abstract: One variation includes a method including using a reversible dry adhesive system to reversibly couple a first substrate to a second substrate. One variation includes a method including using a reversible dry adhesive system to reversibly couple a first substrate to a second substrate during building or reconfiguring a product.
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公开(公告)号：US09748062B2
公开(公告)日：2017-08-29
申请号：US14855637
申请日：2015-09-16
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Nicholas W. Pinto, IV , Richard J. Skurkis , Nancy L. Johnson
CPC classification number: H01H37/323 , H01H2225/012
Abstract: Malfunction or failure of mechanical, electrical, and electro-mechanical equipment, for example, equipment used in manufacturing operations, is often preceded by an increase in the operating temperature of at least some portion of the equipment. A temperature-sensitive, active material-containing actuator is pre-selected to operate at a pre-determined temperature indicative of impending equipment failure and placed in thermal contact with the equipment. If the equipment achieves the pre-selected temperature the actuator signals this by closing an externally-powered circuit to enable or provide a suitable alarm signal. Additionally, the actuator may close a second circuit connected to a machine controller to alert the machine controller to take some pre-programmed action. Selected actuators are based on shape memory alloys (SMA) adapted to operate over a temperature range sufficient to encompass the expected range of pre-determined temperatures.
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公开(公告)号：US09623813B2
公开(公告)日：2017-04-18
申请号：US14079973
申请日：2013-11-14
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Alan L. Browne , Nancy L. Johnson
CPC classification number: B60R13/04 , B29C61/04 , B29C61/06 , B29C65/00 , B29C65/70 , B29K2101/00 , B29L2031/3005
Abstract: Fit and finish methods using shape memory polymers (“SMP”) are disclosed herein. In an example of the fit and finish method, a first part and a second part are positioned adjacent to one another such that a shape memory polymer in a temporary shape is adjacent to a gap between the first part and the second part. The SMP is heated to a switching temperature of the SMP, which causes the SMP to initiate conversion to a permanent shape so that the SMP extends into the gap to close the gap between the first part and the second part.
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公开(公告)号：US09623811B2
公开(公告)日：2017-04-18
申请号：US14168457
申请日：2014-01-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC , DYNALLOY, INC.
Inventor： Paul W. Alexander , Debbie E Nachtegall , Nancy L. Johnson , Scott R. Webb , James Ryan Yates , James Holbrook Brown , Aragorn Zolno
CPC classification number: B60R11/04 , B60R2011/004 , B60R2011/0094
Abstract: A deployable camera system for a vehicle includes a body defining a cavity therein, and a camera including a housing having an exterior surface. The camera is reversibly transitionable between a stowed position in which the camera is recessed into the cavity and the exterior surface is substantially flush with the body, and a deployed position wherein the camera protrudes from the cavity and the exterior surface is not substantially flush with the body. The deployable camera system includes a first shape memory alloy element transitionable between a first state and a second state in response to a first thermal activation signal.
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40.发明申请VALVE CONFIGURED REGULATING THE FLOW OF FLUID BETWEEN A DEVICE, A HEATER, AND A COOLER 有权阀配置调节装置，加热器和冷却器之间的流体流动公开(公告)号：US20170059054A1
公开(公告)日：2017-03-02
申请号：US15245912
申请日：2016-08-24
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Xiujie Gao , Dongxu Li , Nancy L. Johnson , Ronald R. Semel
CPC classification number: F16K31/002 , F16H57/0413 , F16K11/07 , Y10T137/7737 , Y10T137/86517
Abstract: A valve directs fluid flow received from a device to one of a heater and a cooler. The valve includes a spool movably disposed in the housing between a first, second, and third position. An actuator is in fluid communication with the fluid. The actuator includes a smart material that deactivates when the fluid temperature is no greater than a first temperature, partially activated when the fluid temperature is greater than the first temperature, and fully activated when the fluid temperature is at least equal to a second temperature. The spool moves to the first position when deactivated and fluid flows from the cavity, to the heater. The spool moves to the second position when partially activated to prevent fluid from flowing to each of the heater and the cooler. The spool moves to the third position when fully activated and fluid flows from the cavity, to the cooler.
Abstract translation: 阀将从装置接收的流体流引导到加热器和冷却器之一。 阀包括可移动地设置在第一，第二和第三位置的壳体中的线轴。 致动器与流体流体连通。 致动器包括当流体温度不大于第一温度时失活的智能材料，当流体温度大于第一温度时被部分激活，并且当流体温度至少等于第二温度时，该智能材料被完全激活。 当停用并且流体从空腔流到加热器时，阀芯移动到第一位置。 当部分启动时，阀芯移动到第二位置，以防止流体流入加热器和冷却器中的每一个。 当阀门完全启动并且流体从腔体流向冷却器时，阀芯移动到第三位置。
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